<html>
    <head>
        <title>Chi工具箱</title>
        <meta charset="UTF-8">
    </head>
    <body>
        <h1>查询工具</h1>
    </body>
    <script>
        function httpGet(theUrl)
        {
            const xmlHttp = new XMLHttpRequest();
            xmlHttp.open( "GET", theUrl, false ); // false for synchronous request
            xmlHttp.send( null );
            return xmlHttp.responseText;
        }

        const rt = httpGet("xia_shang.json");
        console.log(rt);
    </script>
</html>